Boat hook



FIG. 1 is a front elevational view of the boat hook illustrating my new design;

FIG. 2 is a side elevational view;

FIG. 3 is an opposite side elevational view;

FIG. 4 is a rear elevation view;

FIG. 5 is a bottom view;

FIG. 6 is a top view; and,

FIG. 7 is a perspective view.

The broken line showing of a portion of a handle is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a boat hook, as shown and described. 